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Your search for "volcanic rock" returned 143 results
What Is the Moon Made Of? Kaleidoscopic Map Sheds Light
science.howstuffworks.com/geologic-moon-map.htm
You're not the first person to ask, "What is the moon made of?" Scientists spent decades creating the Unified Geologic Map of the Moon to answer this and more.
What Would a Yellowstone Eruption Mean for North America?
science.howstuffworks.com/science-vs-myth/what-if/what-if-yellowstone-supervolcano-erupted.htm
Welcome to Yellowstone, a natural wonderland that's home to stunning vistas, vibrant plant and animal life ... and a massive and potentially devastating supervolcano.
Petrified Wood: A Journey From Tree to Stone
science.howstuffworks.com/environmental/earth/geology/petrified-wood.htm
Petrified wood can be found all over the world, but how is it created?
How Geysers Work
science.howstuffworks.com/environmental/earth/geophysics/geyser.htm
Geysers are explained in this article. Learn about geysers.
Can You Match the National Park to the U.S. State?
play.howstuffworks.com/quiz/can-you-match-the-national-park-to-the-us-state
There's so much more to America than fascinating buildings and elaborate cityscapes. This U.S. national parks quiz showcases nature's outstanding design achievements. Prepare to be wowed by stunning facts and photos!
The Largest Tsunami Ever Recorded Only Claimed 2 Lives
science.howstuffworks.com/nature/natural-disasters/largest-tsunami-ever-recorded.htm
If you're lucky, you've never seen a tsunami in person, but you know that this type of massive wave can cause enormous damage. They can be measured, too, which easily leads to the question: What was the largest tsunami ever recorded?
What if a plane landed in San Francisco at the same time there was a big earthquake?
science.howstuffworks.com/nature/natural-disasters/plane-landed-in-earthquake.htm
If a plane landed in an earthquake an number of things could happen. Find out what would happen if a plane landed in an earthquake in San Francisco.
Is Earth the Only Planet With Tectonic Plates?
science.howstuffworks.com/is-earth-only-planet-with-tectonic-plates.htm
Some scientists think plate tectonics could be a prerequisite for life. So do they exist on other planets outside of Earth? HowStuffWorks finds out.
Carnelian Meaning: Healing Properties, Benefits, & Symbolism
science.howstuffworks.com/environmental/earth/geology/carnelian-meaning.htm
Ignite your passion and creativity with carnelian-discover the hidden powers, ancient symbolism, and bold energy behind this fiery stone that’s said to boost courage, motivation, and confidence. Curious how carnelian can transform your life.
How Pangaea Became 7 Separate Continents
history.howstuffworks.com/world-history/pangaea-supercontinent.htm
The idea of Pangaea comes from Alfred Wegener's hypothesis that the seven continents were once joined as a supercontinent. Learn more about Pangaea.